
CGRN Practice Test
Updated October 2026Facts verified Oct 18, 2026 against American Board of Certification for Gastroenterology Nurses
The CGRN Certification demonstrates a nurse's commitment to excellence in gastroenterology and endoscopy nursing. Passing the CGRN Exam requires mastery of complex GI pathologies, procedural interventions, and patient safety protocols. Practice with the free CGRN - Certified Gastroenterology Registered Nurse practice test on PracticeTestGeeks (7 questions with answer explanations).
CGRN Practice Test Questions
Prepare for the CGRN - Certified Gastroenterology Registered Nurse exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
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CGRN Mock Exam on - Certified Gastroenterology Registered Nurse GI Anatomy and Pathophysiology Questions and Answers. CGRN Study Guide questions to pass on your first try.
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CGRN Test Prep for - Certified Gastroenterology Registered Nurse Infection Prevention and Control Questions and Answers. Practice CGRN Quiz questions and boost your score.
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CGRN Questions and Answers on - Certified Gastroenterology Registered Nurse Lower Endoscopy Procedures Questions and Answers. Free CGRN practice for exam readiness.
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CGRN Mock Test covering - Certified Gastroenterology Registered Nurse Managing Adverse Events Questions and Answers. Online CGRN Test practice with instant feedback.
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Free CGRN Quiz on - Certified Gastroenterology Registered Nurse Patient Assessment and Monitoring Questions and Answers. CGRN Exam prep questions with detailed explanations.
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CGRN Practice Questions for - Certified Gastroenterology Registered Nurse Pharmacology and Sedation Questions and Answers. Build confidence for your CGRN certification exam.
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CGRN Test Online for - Certified Gastroenterology Registered Nurse Professional Standards and Ethics Questions and Answers. Free practice with instant results and feedback.
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CGRN Study Material on - Certified Gastroenterology Registered Nurse Scope and Equipment Reprocessing Questions and Answers. Prepare effectively with real exam-style questions.
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Free CGRN Test covering - Certified Gastroenterology Registered Nurse Upper Endoscopy Procedures Questions and Answers. Practice and track your CGRN exam readiness.
CGRN GI Nutrition and Therapeutic Diets
CGRN Mock Test covering GI Nutrition and Therapeutic Diets. Online CGRN Test practice with instant feedback.
CGRN Hepatobiliary and Pancreatic Disorders
Free CGRN Quiz on Hepatobiliary and Pancreatic Disorders. CGRN Exam prep questions with detailed explanations.
CGRN Pediatric Gastroenterology
CGRN Mock Exam on Pediatric Gastroenterology. CGRN Study Guide questions to pass on your first try.
CGRN General Questions and Answers
CGRN Test Online for General Questions and Answers. Free practice with instant results and feedback.
Free CGRN - Certified Gastroenterology Registered Nurse Study Tools
Interactive CGRN - Certified Gastroenterology Registered Nurse resources on PracticeTestGeeks, free to start:
- Free CGRN General Questions and Answers 1 โ 7 questions with answer explanations
- CGRN - Certified Gastroenterology Registered Nurse flashcards โ review key terms and concepts card by card
- CGRN - Certified Gastroenterology Registered Nurse study guide โ topic-by-topic overview of what the exam covers
- CGRN - Certified Gastroenterology Registered Nurse cheat sheet โ one-page printable summary for last-minute review
CGRN: upcoming dates and official changes
- Jan 1, 2027: Registration for the Spring 2027 CGRN examination opens January 1, 2027. (American Board of Certification for Gastroenterology Nurses)
Facts verified Oct 18, 2026 against American Board of Certification for Gastroenterology Nurses. Dates that have passed are removed automatically.
- The CGRN examination contains 175 multiple-choice questions. (American Board of Certification for Gastroenterology Nurses)
- ABCGN's published FAQ states that passing the CGRN examination requires a scaled score of 450. (American Board of Certification for Gastroenterology Nurses)
- The CGRN examination application costs USD $430 for SGNA members, $520 for nonmembers, or $415 through the employer purchase program for three or more nurses. (American Board of Certification for Gastroenterology Nurses)
- The CGRN handbook describes a one-time 50% Quest for Success discount for an eligible unsuccessful candidate retaking during the next testing window. (American Board of Certification for Gastroenterology Nurses)
- The CGRN certification handbook permits repeated examination attempts, with a new application and applicable payment required each time. (American Board of Certification for Gastroenterology Nurses)
- CGRN certification must be renewed every five years. (American Board of Certification for Gastroenterology Nurses)
- CGRN renewal by contact hours requires 75 hours total, including 60 GI-specific hours, of which 30 must come from CE-approved nursing seminars or workshops. (American Board of Certification for Gastroenterology Nurses)
- The CGRN examination is available at Prometric testing centers in the United States and Canada or through live remote proctoring. (American Board of Certification for Gastroenterology Nurses)
- CGRN applicants need an unrestricted US or Canadian RN license, two years of full-time RN GI/endoscopy experience or 4,000 equivalent hours within the preceding five years by the testing window's first day, and two practitioners who can verify their qualifications. (American Board of Certification for Gastroenterology Nurses)
Facts verified Oct 18, 2026 against American Board of Certification for Gastroenterology Nurses. Dates that have passed are removed automatically.
CGRN Exam at a Glance
| Item | Detail | Official source |
|---|---|---|
| Number of questions | 175 multiple-choice questions | American Board of Certification for Gastroenterology Nurses |
| Passing score | Scaled score of 450 | American Board of Certification for Gastroenterology Nurses |
| Exam fee | USD $430 SGNA members; $520 nonmembers; $415 employer program | American Board of Certification for Gastroenterology Nurses |
| Retake fee | Quest for Success: 50% discount for an eligible consecutive retake | American Board of Certification for Gastroenterology Nurses |
| Retake policy | Repeat attempts permitted; new application required | American Board of Certification for Gastroenterology Nurses |
| Validity | Five-year renewal cycle | American Board of Certification for Gastroenterology Nurses |
| Renewal | 75 contact hours, including 60 GI-specific and 30 qualifying seminar/workshop hours | American Board of Certification for Gastroenterology Nurses |
| Delivery | Prometric test centers or live remote proctoring | American Board of Certification for Gastroenterology Nurses |
| Eligibility | Unrestricted US/Canadian RN license; qualifying GI/endoscopy experience and two verifiers | American Board of Certification for Gastroenterology Nurses |
| Score release | Immediately after completion; copy emailed | American Board of Certification for Gastroenterology Nurses |
| Registration opens | Spring 2027 registration opens January 1, 2027 | American Board of Certification for Gastroenterology Nurses |
| Testing window | Spring: May 1โ31; fall: October 1โ31 | American Board of Certification for Gastroenterology Nurses |
Facts verified Oct 18, 2026 against American Board of Certification for Gastroenterology Nurses. Dates that have passed are removed automatically.

CGRN Flashcards
Quick review of essential CGRN Certification concepts
๐ฆ What is the primary cause of Peptic Ulcer Disease?
Helicobacter pylori (H. pylori) infection is the leading cause.
START CGRN PRACTICE TEST๐ฌWhat is the gold standard for diagnosing Barrett's Esophagus?
Upper Endoscopy (EGD) with biopsy confirmation.
START CGRN PRACTICE TEST๐ฉธWhich sign indicates acute pancreatitis?
Cullen's sign (periumbilical bruising) or Grey Turner's sign.
START CGRN PRACTICE TEST๐งดHigh-level disinfection is required for which instruments?
Semi-critical items like endoscopes that touch mucous membranes.
START CGRN PRACTICE TEST๐What is the reversal agent for benzodiazepines?
Flumazenil (Romazicon) reverses sedation effects.
START CGRN PRACTICE TEST๐ฅWhat position is best for a patient post-liver biopsy?
Right side-lying position to apply pressure to the site.
START CGRN PRACTICE TESTCGRN Exam Study Guide
Our comprehensive CGRN Study Guide helps you navigate the certification process. From understanding CGRN Certification Requirements to analyzing the CGRN Pass Rate, we provide answers to common questions about the exam.
CGRN Score Calculator
Total Scored Questions
150
105 out of 150 correct
70%
Required to Pass: ~70% (Estimated)
Many hospitals and endoscopy centers value CGRN Certification highly and will reimburse exam fees or provide a CGRN Salary bonus upon passing. Check with your HR department!


CGRN Career Opportunities
Specialized Roles for CGRN Nurses
Hospital GI Lab
Work in acute care settings handling complex inpatient cases, ERCPs, and emergency GI bleeds.
Endoscopy Center
Provide care in ambulatory surgery centers focusing on screenings, colonoscopies, and outpatient procedures.
Travel GI Nurse
Combine travel with high earning potential by taking short-term contracts in GI labs near me and nationwide.
Pediatric GI Nurse
Specialize in caring for children with digestive disorders in dedicated pediatric hospitals or clinics.
GI Nurse Educator
Teach other nurses about gastroenterology standards, CGRN Recertification, and infection control practices.
CGRN Test Day Checklist
- โValid Government ID
- โExam Confirmation Email
- โArrive 30 Mins Early
- โRN License Number
- โReview CGRN Flashcards
- โLeave Electronics in Car
- โLight Sweater (Exam Room Cold)
- โPositive Mindset!
Ace the CGRN Exam Today
Join thousands of nurses who have passed with our CGRN Practice Test questions. Start studying now to become a Certified Gastroenterology Registered Nurse.
CGRN Renewal Requirements
Cycle
5 Years
Education
100 Hours
Practice
1,000 Hrs
You can renew by retaking the CGRN Exam or by submitting continuing education (CE) contact hours. At least 80 of the 100 required hours must be specific to gastroenterology nursing.
- +Industry-recognized credential boosts your resume
- +Higher earning potential (10-20% salary increase on average)
- +Demonstrates commitment to professional development
- +Opens doors to advanced career opportunities
- โExam preparation requires significant time investment (4-8 weeks)
- โCertification fees can be $100-$400+
- โMay require continuing education to maintain
- โSome employers may not require certification
Sample CGRN - Certified Gastroenterology Registered Nurse Practice Questions
Try these questions from our free CGRN - Certified Gastroenterology Registered Nurse practice tests. The correct answer and an explanation follow each question.
A CGRN is witnessing a patient's signature on a consent form for a colonoscopy. The patient states, "I'm not really sure what a polypectomy is, but the doctor said I should just sign this." What is the CGRN's most appropriate action?
- A. Reassure the patient that a polypectomy is a routine and safe part of the procedure.
- B. Notify the gastroenterologist that the patient requires further explanation before signing.
- C. Explain the polypectomy procedure to the patient using a simple anatomical diagram.
- D. Document the patient's statement in the chart and proceed with pre-procedure preparations.
Answer: B. Notify the gastroenterologist that the patient requires further explanation before signing.
The nurse's role in the informed consent process is to act as a patient advocate and witness, which includes verifying the patient's understanding. If the patient expresses confusion or a lack of understanding, it is the nurse's professional and ethical duty to pause the process and notify the physician. The physician who is performing the procedure is responsible for providing the primary explanation of the procedure, its risks, benefits, and alternatives to ensure the consent is truly informed.
An 85-year-old patient with mild dementia is scheduled for an EGD. The healthcare proxy (the patient's son) has signed the consent. In the pre-procedure area, the patient becomes agitated and repeatedly states, "I don't want this, leave me alone." Which action by the CGRN best demonstrates patient advocacy?
- A. Administer the prescribed anxiolytic to calm the patient and facilitate the procedure.
- B. Pause the pre-procedure process and immediately notify the gastroenterologist of the patient's refusal.
- C. Gently remind the patient that their son has already provided consent on their behalf.
- D. Proceed with the preparation because a valid, legal consent has already been obtained from the proxy.
Answer: B. Pause the pre-procedure process and immediately notify the gastroenterologist of the patient's refusal.
Patient advocacy requires the nurse to protect the patient's rights and dignity. Even when a legal proxy has given consent, the patient's expressed refusal at the time of the procedure must be taken seriously. The most ethical action is to halt the process and inform the physician. Proceeding against the patient's active and repeated refusal could be considered battery. The physician must then reassess the situation with the healthcare proxy.
A CGRN is preparing a 70-year-old patient with a history of Stage 4 chronic kidney disease and congestive heart failure for a colonoscopy. Which type of bowel preparation regimen is absolutely contraindicated for this patient due to the risk of acute phosphate nephropathy and severe electrolyte shifts?
- A. A large-volume polyethylene glycol (PEG) based solution.
- B. A split-dose, low-volume PEG based solution.
- C. A preparation containing magnesium citrate.
- D. An oral sodium phosphate (OSP) based solution.
Answer: D. An oral sodium phosphate (OSP) based solution.
Oral sodium phosphate (OSP) preparations are absolutely contraindicated in patients with moderate to severe chronic kidney disease (Stage 3-5), heart failure, or liver disease. They can cause significant fluid shifts and electrolyte disturbances, including hyperphosphatemia, which can lead to acute phosphate nephropathy and worsening renal failure. Polyethylene glycol (PEG) based solutions are the safest alternative as they are iso-osmotic and not absorbed systemically.
A patient's spouse, who is not listed on any HIPAA release forms, approaches the CGRN in the recovery area and asks for the results of the colonoscopy. The patient is awake but still drowsy from sedation. What is the nurse's most ethical and legally compliant response?
- A. Provide a general update, stating that the procedure went well and the doctor will be out soon.
- B. Tell the spouse that due to privacy laws, no information can be shared without written consent.
- C. Request that the spouse return to the waiting room until the patient is fully awake.
- D. Ask the patient directly, in the spouse's presence, for verbal permission to discuss the results.
Answer: D. Ask the patient directly, in the spouse's presence, for verbal permission to discuss the results.
According to HIPAA, the nurse must protect the patient's private health information. The most appropriate, patient-centered action is to empower the patient to make the decision. By asking the patient, even if drowsy, for verbal permission to share information, the nurse upholds the principles of patient autonomy and confidentiality. This directly involves the patient in the decision-making process regarding their own protected health information (PHI).
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CGRN Questions and Answers
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- abcgn.org โ Fees, passing score, renewal, retake fee, retake policy, score release, eligibility, exam format, test delivery, score validity ยท verified Oct 2026